PGPSymmetricallyEncryptedDataPacket.m

//
//  PGPSymmetricallyEncryptedDataPacket.m
//  ObjectivePGP
//
//  Created by Marcin Krzyzanowski on 11/06/14.
//  Copyright (c) 2014 Marcin Krzyżanowski. All rights reserved.
//
//  Parse only

#import "PGPSymmetricallyEncryptedDataPacket.h"
#import "PGPPublicKeyPacket.h"
#import "PGPCryptoUtils.h"
#import "PGPCryptoCFB.h"

#import <CommonCrypto/CommonCrypto.h>
#import <CommonCrypto/CommonDigest.h>
#import <CommonCrypto/CommonCryptor.h>

#include <openssl/cast.h>
#include <openssl/idea.h>
#include <openssl/aes.h>
#include <openssl/sha.h>
#include <openssl/des.h>
#include <openssl/camellia.h>
#include <openssl/blowfish.h>

@implementation PGPSymmetricallyEncryptedDataPacket

- (NSUInteger)parsePacketBody:(NSData *)packetBody error:(NSError *__autoreleasing *)error
{
    NSUInteger position = [super parsePacketBody:packetBody error:error];

    self.encryptedData = [packetBody copy];
    
    return position;
}

- (NSData *)exportPacket:(NSError *__autoreleasing *)error
{
    NSAssert(self.encryptedData, @"Need encrypted data, use PGPSymmetricallyEncryptedIntegrityProtectedDataPacket instead");
    if (!self.encryptedData)
        return nil;

    return self.encryptedData;
}

@end